BR112015004405A2 - magnetic resonance system for acquiring at least two or more space plate data sets k from an individual's imaging zone; a method for acquiring, by a rm system, two or more at least space plate data sets k from an individual's imaging zone; and computer program product - Google Patents

magnetic resonance system for acquiring at least two or more space plate data sets k from an individual's imaging zone; a method for acquiring, by a rm system, two or more at least space plate data sets k from an individual's imaging zone; and computer program product

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Publication number
BR112015004405A2
BR112015004405A2 BR112015004405A BR112015004405A BR112015004405A2 BR 112015004405 A2 BR112015004405 A2 BR 112015004405A2 BR 112015004405 A BR112015004405 A BR 112015004405A BR 112015004405 A BR112015004405 A BR 112015004405A BR 112015004405 A2 BR112015004405 A2 BR 112015004405A2
Authority
BR
Brazil
Prior art keywords
acquiring
individual
plate
imaging zone
image data
Prior art date
Application number
BR112015004405A
Other languages
Portuguese (pt)
Inventor
Marianne Beck Gabriele
Original Assignee
Koninklijke Philips Nv
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Publication date
Application filed by Koninklijke Philips Nv filed Critical Koninklijke Philips Nv
Publication of BR112015004405A2 publication Critical patent/BR112015004405A2/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56527—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to chemical shift effects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/4818—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/4818—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space
    • G01R33/482—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space using a Cartesian trajectory
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/4818—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space
    • G01R33/4824—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space using a non-Cartesian trajectory
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/4828—Resolving the MR signals of different chemical species, e.g. water-fat imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/546—Interface between the MR system and the user, e.g. for controlling the operation of the MR system or for the design of pulse sequences
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G01R33/5615—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G01R33/5615—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]
    • G01R33/5618—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE] using both RF and gradient refocusing, e.g. GRASE

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)

Abstract

resumo sistema de ressonância magnética para adquirir pelo menos dois ou mais conjuntos de dados de placa de espaço k de uma zona de formação de imagem de um indivíduo; método para adquirir, por um sistema de rm, dois ou mais pelo menos conjuntos de dados de placa de espaço k de uma zona de formação de imagem de um indivíduo; e produto de programa de computador a invenção se refere a um sistema de ressonância magnética (100) para adquirir pelo menos um conjunto de dados de placa de espaço k de uma zona de formação de imagem de um indivíduo (118), em que o sistema de ressonância magnética (100) compreende uma memória (138) para armazenar instruções executáveis por máquina e um processador (130) para controlar o sistema de ressonância magnética (100), em que a execução das instruções executáveis por máquina faz com que o processador (130) realize, para cada placa do pelo menos um conjunto de dados de placa de espaço k: controle do sistema de rm (100) para adquirir pelo menos um dado de placa de espaço k utilizando pelo menos um tempo de eco para fins de realização de uma técnica de dixon, em que dados de placa de espaço k são adquiridos, de acordo com a forma de placa; reconstrução de pelo menos um dado de imagem de placa utilizando o pelo menos um dado de placa de espaço k; geração de dados de imagem de placa de água e dados de imagem de placa de gordura utilizando o pelo menos um dado de imagem de placa; e transformação dos dados de imagem de placa de água e gordura em dados de imagem de placa de espaço k de água e gordura, respectivamente, e realização de reconstrução por propeller dos dados de imagem de placa de espaço k de água e gordura.magnetic resonance system for acquiring at least two or more space plate data sets k from an individual's imaging zone; a method for acquiring, by a rm system, two or more at least space plate data sets k from an individual's imaging zone; and a computer program product the invention relates to an MRI system (100) for acquiring at least one k-slot data set from an individual's imaging zone (118), wherein the system MRI (100) comprises a memory (138) for storing machine executable instructions and a processor (130) for controlling the magnetic resonance system (100), wherein execution of the machine executable instructions causes the processor ( 130) perform, for each card of at least one slot card data set k: rm system control (100) to acquire at least one slot card data k using at least one echo time for realization purposes of a dixon technique, wherein space plate data k is acquired according to the plate form; reconstructing at least one plate image data using at least one space plate data k; generating water plate image data and fat plate image data using at least one plate image data; and transforming the water and fat plate image data into water and fat space plate k image data, respectively, and performing propeller reconstruction of the water and fat plate k image data.

BR112015004405A 2012-09-04 2013-09-03 magnetic resonance system for acquiring at least two or more space plate data sets k from an individual's imaging zone; a method for acquiring, by a rm system, two or more at least space plate data sets k from an individual's imaging zone; and computer program product BR112015004405A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261696555P 2012-09-04 2012-09-04
PCT/IB2013/058242 WO2014037870A1 (en) 2012-09-04 2013-09-03 Propeller with dixon water fat separation

Publications (1)

Publication Number Publication Date
BR112015004405A2 true BR112015004405A2 (en) 2017-07-04

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Family Applications (1)

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BR112015004405A BR112015004405A2 (en) 2012-09-04 2013-09-03 magnetic resonance system for acquiring at least two or more space plate data sets k from an individual's imaging zone; a method for acquiring, by a rm system, two or more at least space plate data sets k from an individual's imaging zone; and computer program product

Country Status (7)

Country Link
US (1) US10175331B2 (en)
EP (1) EP2893363B1 (en)
JP (1) JP6467344B2 (en)
CN (1) CN104603629B (en)
BR (1) BR112015004405A2 (en)
RU (1) RU2638104C2 (en)
WO (1) WO2014037870A1 (en)

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JP6467344B2 (en) * 2012-09-04 2019-02-13 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． Propeller with Dixon water fat separation
JP2017506976A (en) * 2014-03-05 2017-03-16 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． MRI propeller with motion correction, water-fat separation, and estimation of magnetic field inhomogeneity information
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Also Published As

Publication number Publication date
JP2015531251A (en) 2015-11-02
EP2893363A1 (en) 2015-07-15
US20150212183A1 (en) 2015-07-30
US10175331B2 (en) 2019-01-08
WO2014037870A1 (en) 2014-03-13
CN104603629B (en) 2017-06-13
EP2893363B1 (en) 2020-08-19
CN104603629A (en) 2015-05-06
RU2638104C2 (en) 2017-12-11
JP6467344B2 (en) 2019-02-13
RU2015112245A (en) 2016-10-27

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